Table 2.
Postoperative baseline cancellous bone density (BD) values [mean ± standard deviation (SD)] and follow-up BD values in the five regions of interest (ROI) (1 = greater trochanter region; 5 = 2 cm below the tip of the stem)
| ROI | Postoperative | 1 year | 2 years | 5 years | ||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| 1 | 208.7 | 70.5 | 139.1 | 83.5 | 164.5 | 66.1 | 155.3 | 88.2 |
| 2 | 336.6 | 48.4 | 282.7 | 71.7 | 322.3 | 86.2 | 261.0 | 79.2 |
| 3 | 511.7 | 114.0 | 426.5 | 97.8 | 551.3 | 116.0 | 543.7 | 115.7 |
| 4 | 255.7 | 63.2 | 225.4 | 62.1 | 320.6 | 82.5 | 276.5 | 100.4 |
| 5 | 186.0 | 42.3 | 153.1 | 37.7 | 199.0 | 50.3 | 219.4 | 67.9 |